Home / 376,836.06-520,037.86-207,070.16

Finding the Fourth Proportional to 376,836.06, 520,037.86 and 207,070.16

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Solution

The fourth proportional to 376,836.06, 520,037.86 and 207,070.16 is: 285,759.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,836.06 : 520,037.86 = 207,070.16 : x
  2. Step 2: Convert to fraction form
    376,836.06/520,037.86 = 207,070.16/x
  3. Step 3: Cross multiply
    376,836.06x = 520,037.86 × 207,070.16
  4. Step 4: Simplify right side
    376,836.06x = 107,684,322,876.26
  5. Step 5: Solve for x
    x = 107,684,322,876.26/376,836.06
  6. Step 6: Final answer
    x = 285,759.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.